/**
#include <iostream.h>
class iot1
{
  int d1, d2, d3;

  public:
  iot1(int i1 = 0, int i2 = 0, int i3 = 0);
  friend ostream &operator<<(ostream &os, iot1 &t);
};
iot1::iot1(int i1, int i2, int i3)
{
  d1 = i3;
  d2 = i1;
  d3 = i2;
}
ostream &operator<<(ostream &os, iot1 &t)
{
  os << "d1=" << t.d1 << "\n";
  os << "d2=" << t.d2 << "\n";
  os << "d3=" << t.d3 << "\n";
  return os;
}
void main()
{
  iot1 obj(10, 100, 200);
  cout << obj;
}
*/
